Hayne, S., & Prinz, W. (1997). Supporting Group Work Group GROUP 97: The Integration Challenge Proceedings of the International ACM SIGGRPOUP Conference November 16-19, 1997 Phoenix, Arizona, USA. Association for Computing Machinery.
Παραπομπή σε μορφή Chicago (17η εκδ.)Hayne, Stephen, και Wolfgang Prinz. Supporting Group Work Group GROUP 97: The Integration Challenge Proceedings of the International ACM SIGGRPOUP Conference November 16-19, 1997 Phoenix, Arizona, USA. New York: Association for Computing Machinery, 1997.
Παραπομπή σε μορφή MLA (8th εκδ.)Hayne, Stephen, και Wolfgang Prinz. Supporting Group Work Group GROUP 97: The Integration Challenge Proceedings of the International ACM SIGGRPOUP Conference November 16-19, 1997 Phoenix, Arizona, USA. Association for Computing Machinery, 1997.
